The tips and edges of the upper, middle and lower leaves are yellow and the old leaves are scorched(black plastic plant pots). Corn: The length of the leaves and the stems are out of proportion, and easy to fall(2 gallon nursery pots). Potato: Slow growth, short internodes, reduced leaf area, tightly arranged leaflets, forming a small angle with the petiole, rough, shrinking and curling downwards.(2 gallon plastic nursery plant pots wholesale price)
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The stem is weak, prematurely aging, and easy to fall(square nursery pots). The leaf color changes gradually from the tip and edge to the whole leaf, and the lower old leaves dry and fall off, and the inside of the tuber is blue. The fruit is unevenly colored, the stems are short, the tips and edges of the old leaves are brown and scorched, and the back is often green and does not fade. Then the old leaves are scorched and prematurely decayed.
Rice: The leaves in the seedling stage are blue with green, the old leaves are weakly covered, the heart leaves are straight, the red-brown tissue necrosis appears at the tip of the middle and lower leaves, the leaves are long,and the stems are small and weak, and the leaves have amorphous red-brown spots(plastic seed trays). Soybean; potassium deficiency at seedling stage, small leaves, dark green leaves, lack of luster.
Easy to fall and infected with leaf spot and red blight(seed starter trays). In the middle and late period, potassium is deficient, the tip and edge of the old leaf are chlorotic and yellow, and the veins are convex. Shrinking, the tip of the leaf is curled downward, sometimes the petiole becomes brown, and the roots are prematurely aging. After the old leaf falls off, it is lignified and the root is weak. There are brown patches or partial self-drying.
Cotton: In the early stage of cotton deficiency, the mesophyll tissue of the mesophyll appears yellow-colored plaques(5 gallon plant pot). The severely deficient potassium leaves are burnt like burnt, curling toward the buck. In the later stage, the chlorosis is severe, and it expands to the middle of the blade, and then the leaves die. The symptoms of potassium deficiency in major crops are as follows.
(2 gallon plastic nursery plant pots wholesale price)The leaf sheath is short, the leaves are relatively long, the root system is significantly damaged, and the grain is lacking in luster and is not full(wholesale greenhouse pots). The stem becomes thicker, and the symptoms develop from the base of the plant to the top(plug trays), and the old leaves are the most seriously damaged. When the potassium is severely deficient, the leaves are scorched and then withered.
The cotton boll is small, the vomiting is poor, the disease resistance is low, the premature aging is easy, the yield is low, and the quality is poor(greenhouse pots). Wheat: the early leaves are dark green, then turn yellow, then turn brown, and the best effect is applied in early spring, which not only can meet the needs of fruit tree growth and development(seed sprouting tray), but also increase the ground temperature.
Rapeseed: The tip and edge of the leaf begin to yellow and chlorotic along the vein(plastic grow bags). Some of the stems have brown streaks on the surface, and the lesions continue to develop, causing the whole plants to wither and die(20cm plant pots). Chinese cabbage: browning from the lower leaf margin, gradually developing to the inner or upper leaves, the lower leaves withering, and the ability to resist soft rot and downy mildew(2 gallon plastic nursery plant pots wholesale price).
Tomato: The leaf margin of the old leaf is curled and the vein is chlorotic(plastic plant trays). In this chlorotic area, there is a small brown spot on the edge. It is called "green back disease". Cucumber: The plants are blue-green, the leaves are weakly covered, Plants are dwarfed, with short internodes and small leaves(23cm plant pots). The leaves are bronzed, the leaf margins are yellowish green, and the main veins are sunken(2 gallon plastic nursery plant pots wholesale price).